Journal of the Chemical Society, Part 2, Pages 1201-2488The Society., 1964 "Titles of chemical papers in British and foreign journals" included in Quarterly journal, v. 1-12. |
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Results 1-3 of 85
Page 1509
... proton absorption at 2.15 or 1.78 for compound I or II , respectively , may therefore indicate one aromatic proton in a hydroxy- pyrazine ring . т . ↑ Protons in methyl groups attached directly to the pyrazine or hydroxypyrazine ring ...
... proton absorption at 2.15 or 1.78 for compound I or II , respectively , may therefore indicate one aromatic proton in a hydroxy- pyrazine ring . т . ↑ Protons in methyl groups attached directly to the pyrazine or hydroxypyrazine ring ...
Page 1554
... proton line being taken as the internal reference . When the strong line of the solvent protons obscured part of a spectrum , it was recorded again under equivalent conditions in solution in deuterium oxide . The error in the shifts is ...
... proton line being taken as the internal reference . When the strong line of the solvent protons obscured part of a spectrum , it was recorded again under equivalent conditions in solution in deuterium oxide . The error in the shifts is ...
Page 1558
... proton . In histidine , the imidazole group itself contains two olefinic CH protons , whose lines lie on the low - field side of the solvent . For both of these protons , in particular the one between the nitrogen atoms , the shifts ...
... proton . In histidine , the imidazole group itself contains two olefinic CH protons , whose lines lie on the low - field side of the solvent . For both of these protons , in particular the one between the nitrogen atoms , the shifts ...
Contents
NO PAGE | 1205 |
The SN mechanism in aromatic compounds Part XXX The sydnone ring | 1213 |
NO PAGE | 1224 |
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1-phenylethyl absorption acetic acid acetone acetonitrile adducts alcohol alginic acid Amer amine aniline aqueous atom benzene bond bromide Calc calculated carbon carboxyl CH₂ Chem chloride chloroform chromatography cm.¹ complex compounds concentration corresponding crystallised derived diazomethane diphenylphosphinic dissociation constants distilled enol equation equilibrium constants ester ethanol ether evaporated experimental extracted fluorine formation formed Found fraction gave H₂O hydrazine hydrides hydrogen cyanide hydrolysis hydroxide infrared spectrum iodide ionisation isomers k₁ k₂ kcal kinetic ligand methanolysis methyl mixed m. p. mixture mmoles mole mole-¹ molecule nitrogen nucleophilic o-complex obtained optical orbitals oxaloacetic acid oxidation oxygen peaks peroxide phenols phosphate phosphine potassium prepared proton pyridine rate coefficients reaction reduced reflux requires residue room temperature rotation shown similar sodium solution solvent spectra structure substituted sulphide sulphuric t-butyl Table tetracyanoethylene titration tricyanovinyl values yield